U.S. patent number D852,776 [Application Number D/603,300] was granted by the patent office on 2019-07-02 for intelligent earphone. This patent grant is currently assigned to BEIJING JIN RUI DE LU TECHNOLOGY CO. LTD.. The grantee listed for this patent is Beijing Jin Rui De Lu Technology Co. Ltd.. Invention is credited to Kun Hao, Wei Wu, Huaming Zhu.
United States Patent | D852,776 |
Zhu , et al. | July 2, 2019 |
Inventors: | Zhu; Huaming (Beijing, CN), Wu; Wei (Beijing, CN), Hao; Kun (Beijing, CN) | ||||||||||
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Applicant: |
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Assignee: | BEIJING JIN RUI DE LU TECHNOLOGY
CO. LTD. (Beijing, CN) |
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Appl. No.: | D/603,300 | ||||||||||
Filed: | May 8, 2017 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,206,188,192 ;D29/112 ;181/129,130,135 ;381/380,381,374,370,375,378,383 ;455/90.3,575.1,569.1 ;379/430,431 |
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